ELOVL1 and neoplasm: The saturated FA C18:0 is the first product of elongase ELOVL1, the enzyme involved in the generation of long chain saturated FAs, while the omega-6 arachidonic acid is the most commonly identified FA in PL species expressed in several neoplasms [36,37], and a key intermediate in prostaglandins synthesis, promoter substances of inflammatory processes [38].